![]() The single numeral printed on the sign indicates the distance in thousands of feet until the end of the runway. They are spaced roughly every 1,000 feet with a 50-foot placement tolerance. ![]() Runway distance remaining signs can be located on one or both sides of the runway. This is the case everywhere but Canada, where instead of using magnetic compass headings they use the unchanging heading from true north - the only country in the world that does it this way. How to Read Runway Distance Remaining Signs. In the case of parallel runways, the designation markings are accompanied by letters: “L” for left, “R” for right, and “C” for central, allowing air traffic control to tell pilots exactly which runway they need to use.Īnd because the location of the magnetic north, on which all magnetic compasses are based, shifts over time, the airport runway numbers need to change accordingly, making for a substantial need for quick-drying white paint in airports. The size is useful for situational awareness knowing how large they are on the ground, because on every take off the plane rolls over the numbers, gives a good reference for landing and a visual indicator that you are indeed lined up on the assigned runway. A single number is 63 feet tall by 20 feet wide in the US. However, if the wind is blowing from the south on that same runway, the pilot is to approach from other side, marked 18 because it has a compass heading of 180 degrees. The numbers painted on the runway are quite large. 1, Runway numbers indicate their orientation to magnetic north. For example, if a pilot is landing on a north-south runway and the wind is blowing from the north, they will be directed to the side of the runway with the designation marking 36 because it follows the compass heading of 360 degrees. Aviation Landing and Control Facilities All runways, taxiways, and aprons are paved. They are a rounded-up and shortened version of a compass number. A couple of years back, 13-31 was actually 12-30, and 02-26 was 07-25! All airports run on this same principle which means that those runway numbers are duplicated at airports across North America and are not unique to Regina.The airport runway numbers are not random digits. The runways are marked with two numbers that correspond the to the Earth’s magnetic field. The main runway in this city is called 13-31, again that’s 130 degrees, 310 degrees, running northwest to southeast.Įvery few years, airport officials will check the magnetic variation to make sure those numbers are still valid. Looking at your compass, that would be 80 degrees and 260 degrees running left to right. At YQR (Regina International Airport) there is a runway that runs almost perfectly from east to west. As runway designations are correlated with the degrees on a. The runway numbers are magnetic compass headings. That will give you the name of the runway below. Runways are named using a numbering system that reflects its orientation or heading. Chicago OHare International Airport (OHare) has eight runways which are listed below. ![]() ![]() Now look at the direction of the runway from above. Take a compass and point it to magnetic north. The number used corresponds to the magnetic direction of that runway when landing or taking off on it. ![]() Believe it or not, the numbers of runways can (and do) change periodically, ever so slightly, as magnetic variation occurs naturally on Earth. Regina Airport CEO James Bogusz says runways are numbered based on a compass heading, or magnetic north. A viewer named Derrick was #JustCurious about the runways at the Regina International Airport. ![]()
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